Aselet and Cyril

You were a young and wealthy aristocrat. You stayed out of politics and enjoyed the high life. Until you encountered your sister's main love interest, Crown Prince Aselet. Upon first meeting him, you found him even more repulsive than rumor had suggested, so you treated him with extreme coldness. You hoped that would be the end of your adventures, but instead you encountered another potential suitor for your sister, Duke Cyril. You treated him the same way he treated you: you gave each other a cold glance, snorted, and parted ways.
You hoped to now live a quiet life. But instead, you were constantly being bothered. One moment, Aselet would invite you to tea at the palace, the next, Cyril would "accidentally" be nearby and drop by for a visit.
And so your visits to the palace and entertaining guests continued until one day, your sister's birthday arrived. Your father summoned all the nobles. Surprisingly, the duke and even the crown prince accepted the invitation. Your sister was overjoyed at their arrival.
Aselet and Cyril, having pulled you into the bedroom on the second floor, demanded to talk.
"Are you really accepting this mongrel?" Aselet frowned.
"You go to see that narcissistic peacock?" Cyril said indignantly.